DeepSeek V4.1 Flash vs TypeSafe AI Jev

A direct, empirical evaluation of DeepSeek V4.1 Flash (DeepSeek-AI) against TypeSafe AI Jev (TypeSafe AI (Diogo Almeida)).

DeepSeek V4.1 Flash

Developed by DeepSeek-AI · 552B parameters

High-throughput software engineering, autonomous coding loops, terminal agents, 1M long-context retrieval, and low-cost production inference.

TypeSafe AI Jev

Developed by TypeSafe AI (Diogo Almeida) · Non-Autoregressive System 1 Transformer parameters

Sub-15ms operational tasks, 100% schema-valid JSON extraction, deterministic tool dispatch, and high-throughput agent routing.

Metric DeepSeek V4.1 Flash TypeSafe AI Jev
SWE-bench Verified 67.2% 68.4%
MMLU-Pro 78.4% 84.6%
MATH-500 92.6% 91.2%
Context Window 1,000,000 tokens 32,000 tokens
Input Pricing (per 1M) $0.06 $0.06
Output Pricing (per 1M) $0.22 $0.12